title: Positive expiratory pressure physiotherapy for airway clearance in people with cystic fibrosis.
mesh_terms: D003550:Cystic Fibrosis / Q000150:complications / Q000628:therapy*; D006801:Humans; D009079:Mucociliary Clearance; D009093:Mucus / Q000378:metabolism*; D011175:Positive-Pressure Respiration / Q000379:methods*; D016032:Randomized Controlled Trials as Topic